Can-flanging machine.



No. 697,973. Patented Apr. 22.1902.

J. BRENZINGER.

CAN FLANGNG MACHINE. (Application filed Aug. 81, 1901.)

Q10 Model.) 2 Sheets-Sheet I.

Patented Apr. 22, I902.

BRENZINGER.

CAN FLANGING MACHINE.

(Application filed Aug. 31, 1901.)

2 Sheets$heet 2.

(N0 ModelQ) NTTE Frames ATENT FFIGE.

JULIUS BRENZINGER, OF NElV YORK, N. Y., ASSIGNOR TO MAX AMS, OF NElVYORK, N. Y.

CAN-FLANGING MACHINE.

SPEGIFECATION fozn ing' part of Letters Patent No. 697,973, dated April22, 1902.

Application filed August 31, 1901. Serial No- 73,916. (No model.)

To (tZZ whom it may concern:

Be it known that I, JULIUS BRENZINGER, a citizen of Germany, and aresident of New York city, county and State of New York, have inventedcertain new and useful Improvements in Oan-Flanging Machines, of whichthe following is a specification.

This invention relates to an improved machine for flanging the ends of acan-body. The machine is provided with a removable work-holdin g frameshaped to conform to the shape of the can-body to be flanged. Byselecting differently-shaped frames the same machine can be used forfianging can-bodies of square, rectangular, round, polygonal, or anyother shape desired.

In the accompanying drawings, Figure l is a side elevation of myimproved oan-flanging machine; Fig. 2, a rear elevation thereof; Fig. 3,a plan; Fig. 4, a detail perspective view of the work holder and driver;Fig. 5, a perspective view of the can-body before being flanged; Fig. 6,a similar view of the canbody after being flanged; Fig. 7, an enlargedface view of the clutch; Fig. 8, an enlarged cross -section thereof;Fig. 9, a side View, partly in section, of the work-holder; Fig. 10, across-section on line 10 10, Fig. 9; and Fig. 11 an end view of Fig. 9.

The letter Ct represents the frame of the machine, in which is hung thepower-shaft b, driven from pulley Z). The shaft Z) carries at one end atoothed wheel a, which rotates and also compresses the work, ashereinafter more fully described. A counter-shaft d is intergeared bywheels Z) d with the powershaft 7). The wheel d is couplied to shaft clby a suitable clutch, Figs. 7 and 8, which is so constructed that itwill automatically uncouple from shaft cZ upon a complete rotation ofthe latter. The clutch is shown to consist of two spring-influenced jawse, pivotally connected at e to a head d fast on shaft cl. Links 6connect the jaws c with a collar e encirclingshaftd.Aspring-influencedpushpin f projects across the path of a pin e of oneof the links c WVhen the pinfis withdrawn, the jaws 6 will bear againstthe inner side of wheel d, so that the shaft d is taken along by theshaft b. When the shaft cl has made one complete rotation, the pinf,which has been retracted by its spring f, will intercept the pin c andthus cause the clutch to open and the shaft d to be arrested until thepush-pin is again drawn out.

Upon a shaft 9 turns an arm 9', carrying roller 9 which engages a camit, fast on shaft d. To arm g is connected a second armt'by means of aset-screw o", while a louder j is interposed between the arms. The arm7; also turns on or with shaft g. The object of the adjustment 2" is toset the machine to operate upon blanks of different thickness, while thebuffer j serves to compensate for any unevenness in the work-piece A,particularly at the seam A.

The arm t is provided at its free end with a tubular bearing 1? for ashaft 76, which projects with one end underneath the wheel 0 of shaft1). Upon this end of shaft is loosely mounted a sleeve Z, having heads Zand a seat or shoulder Z on the inner side of each head.

The work-piece A, Fig. 5, to be provided with a flange A at each end,Fig. 6, is fitted within a frame or work-holder m, Fig. 9, which iscomposed of two hinged sections adapted to be closed by a suitable catchm. The inner side or opening of frame at corresponds in shape to thecontour of the can-body to be flanged. Thus the drawings show a frameadapted to hold an oblong can-body; but by replacing this frame by oneof round, po1ygonal, or any other suitable shape the same machine can beused for fianging can-bodies of all possible forms without anyadjustment whatever of the machine proper.

The frame m should be of a width slightly less than the distance betweenthe shoulders Z so that when unsupported it would settle upon the sleeveZ between said shoulders. Teeth m formed on the circumference of framem, are adapted to be engaged by wheel 0 in the elevated position ofshaft 70, so that the frame is simultaneously placed under pressure androtated.

The operation is as follows: The can-body to be flanged is set into aframem of a width somewhat less than that of the can-bod y, so that theedges of the latter protrude beyond both faces of the frame. The frameis then hung upon the sleeve 1, so that the protruding ends of the blankA are supported upon The push-pin fbeing withdrawn to couple the shaft(1 to the power-shaft b by clutch e, the arms g t are oscillated by camh to move the shaft 70 upwardly and bring the teeth m of frame on intoengagement with the wheel a. This wheel is of a width to fit between theseats Z and it will thus not only rotate the frame m, but it will alsoact as a plunger or upsetting device for pushing the frame upon thesleeve Zbetween the seats Z In this way the center portion of the blankA is pressed inward or down upon the body of sleevel between theshoulders Z while the ends of the blank which had been supported uponthese shoulders are by them turned up at right angles. When the shaftdhas made a complete rotation, the shaft 70 descends, owing to the shapeof cam h, and is then arrested, so that the frame may be removed to takeout the flanged can-body and replace it by a new one.

What I claim is 1. A can-flanging machine having a removablework-holding frame, composed of a pair of hinged sections, a catch forclosing the frame, and teeth on the periphery of the frame,substantially as specified.

2. In a can-flanging machine, the combination of a flanged seat adaptedto support the ends of a blank, with a frame embracing the blank, andwith a wheel adapted to force the can-body inwardly between the seatsand simultaneously rotate the same, substantially as specified. I

3. A can-flanging machine provided with a flanged sleeve, a removabletoothed workholding frame adapted to be mounted thereon, a gear-wheel,and means for throwing the frame into and out of engagement with saidwheel, substantially as specified.

4. A can-flanging machine provided with a shaft, a flanged sleevemounted thereon, a removable toothed work-holding frame adapted to bemounted upon the sleeve, a gearwheel, and means for throwing the frameinto and out of engagement with said wheel, substantially as specified.

5. A can-flanging machine having a powershaft, a counter-shaft, anintervening clutch, a cam on the counter-shaft, an arm oscillated by thecam, a shaft movable with the arm, a flanged sleeve rotatable upon theshaft, a work-holding frame adapted to be suspended from the sleeve, anda wheel adapted to engage said frame, substantially as specified.

6. A can-flanging machine having a powershaft, a counter-shaft, anintervening clutch, a cam on the counter-shaft, a pair of armsoscillated by the cam, means for adjusting the arms, a buffer betweenthe arms, a shaft movable with the arms, a flanged sleeve upon theshaft, a toothed Work-holding frame, and a toothed wheel adapted to engage said frame, substantially as specified.

Signed by me at New York city, county and State of New York, this 30thday of August, 1901.

JULIUS BRENZINGER.

Witnesses:

WILLIAM SoHULz, F. v. BRIESEN.

